Table 1.
Characteristics of insulin sensitive and insulin resistant participants, NHANES 2003-2006
| |
Mean/Proportion (95% CI) |
|
|
|---|---|---|---|
| Variable |
Insulin sensitive |
Insulin resistant |
P-Value† |
| (HOMA ≤ 2.6) (n = 1,238) | (HOMA > 2.6) (n = 832) | ||
| Age, yr |
47.3 (46.1-48.5) |
49.6 (48.1-51.1) |
0.002 |
| % Male |
45.0 (41.4-48.5) |
53.7 (50.3-57.2) |
0.001 |
| Race-Ethnicity, % |
|
|
0.0007 |
| Mexican American |
7.2 (4.8-9.6) |
10.1 (6.7-13.5) |
|
| Non-Hispanic White |
75.0 (69.8-80.1) |
70.9 (65.3-76.6) |
|
| Non-Hispanic Black |
8.4 (5.9-11.0) |
12.1 (8.7-15.5) |
|
| Other |
9.2 (6.6-11.9) |
6.6 (4.4-8.9) |
|
| Body Mass Index, kg/m2 |
26.6 (26.3-26.9) |
33.1 (32.4-33.9) |
<0.0001 |
| Cotinine, ng/mL |
55.5 (46.4-64.6) |
49.8 (40.0-59.6) |
0.39 |
| Poverty-to-Income Ratio |
3.3 (3.1-3.4) |
3.1 (2.9-3.2) |
0.01 |
| Comorbidity Index, % |
|
|
<0.0001 |
| 0 Comorbidities |
53.1 (49.6-56.7) |
34.8 (31.5-38.1) |
|
| 1+ Comorbidities |
46.8 (43.2-50.3) |
65.1 (61.8-68.4) |
|
| MVPA, min/day |
7.4 (6.6-8.2) |
5.0 (4.0-6.0) |
0.0001 |
| Bilirubin, mg/dL | 0.79 (0.76-0.81) | 0.76 (0.73-0.78) | 0.01 |
†An adjusted Wald test was used to examine differences for continuous variables and a design-based likelihood ratio test was used for categorical variables.